-1- igyne1.0 tutorial xiaojun chen, ph.d. and igyne team surgical planning laboratory, brigham and...
TRANSCRIPT
-1-
iGyne1.0 Tutorial
Xiaojun Chen, Ph.D.and iGyne Team
Surgical Planning Laboratory,Brigham and Women's Hospital,
Harvard Medical School
Surgical Planning Laboratory, Harvard Medical School
-2-
Guide you step-by-step through the process of loading of applicator CAD models, performing registration, selecting virtual needle and viewing the results within Slicer4. This module features include:Loading of Applicator CAD models and MR imagesInitial registration of CAD model of the Template to MR imagesRegistration RefinementVisualization of RegistrationNeedle Selection and Display of Virtual Needles relative to Applicator CAD models and Tumor Segmentation
Learning Objective
Surgical Planning Laboratory, Harvard Medical School
-3-
Prerequisites
This tutorial assumes that you have completed the course Data Loading and Visualization.
Tutorials for Slicer4 are available on the website:
http://www.slicer.org/slicerWiki/index.php/Documentation/4.1/Training
Surgical Planning Laboratory, Harvard Medical School
-4-
Materials
This tutorial requires the installation of the Slicer4 software and the tutorial dataset. These materials are available at the following locations:
• Slicer4 download page
http://download.slicer.org/
• Applicator CAD models download page
https://github.com/xjchen/igyne/tree/master/scene%20for%20template%20and%20obturator
• Sample Image data download page
https://github.com/xjchen/igyne/tree/master/Sample%20data
Disclaimer: It is the responsibility of the user of Slicer to comply with both the terms of the license and with the applicable laws, regulations, and rules.
Surgical Planning Laboratory, Harvard Medical School
-5-
Loading of Applicator CAD models and MR images
1.Click on Load(Scene/Template) Button
2.Choose the Template.mrml you have downloaded
Surgical Planning Laboratory, Harvard Medical School
-6-
1.Click on AddVolume Button
2.Choose the Test.nrrd you have downloaded
Loading of Applicator CAD models and MR images
Surgical Planning Laboratory, Harvard Medical School
-7-
Loading of Applicator CAD models and MR images
Surgical Planning Laboratory, Harvard Medical School
-8-
Initial registration
1.Switch to Annotation Module
2.Click Fiducial List_fixed
3. Click 3 Fiducials of the center points of the long holes in the template on the axial images(First: Top point(shown in the picture), Second: Left point, Third:Right point)
Surgical Planning Laboratory, Harvard Medical School
-9-
Initial registration
The other 2 Fiducials of the center points of the long holes in the template on the axial images(Left and Right point, point, shown in the picture)
Surgical Planning Laboratory, Harvard Medical School
-10-
Initial registration
Switch to Fiducial Registration Module, then perform the initial registration
Surgical Planning Laboratory, Harvard Medical School
-11-
Registration refinement
Switch to Crop Volume Module, in order to crop the template region in the image volume
Surgical Planning Laboratory, Harvard Medical School
-12-
Registration refinement
Surgical Planning Laboratory, Harvard Medical School
-13-
Registration refinement
1.Switch to Editor Module, in order to segment the template and obturator in the image volume
2. Use Threshold tool to segment the template holes
Surgical Planning Laboratory, Harvard Medical School
-14-
Registration refinement
Use MakeModelEffect tool to build a 3D model of the template holes
Surgical Planning Laboratory, Harvard Medical School
-15-
Registration refinement
Use GrowCut tool to segment the obturator in the image volume
Surgical Planning Laboratory, Harvard Medical School
-16-
Registration refinement
Use MakeModelEffect tool to build a 3D model of the obturator
Surgical Planning Laboratory, Harvard Medical School
-17-
Registration refinement
1.Switch to Igyne Module
2. Click CADmodel2Image button to refine the registration
Surgical Planning Laboratory, Harvard Medical School
-18-
Needle selection and visualization
Click the hole label on the template sheet to show/hide the corresponding needle, and its insertion depth can also be adjusted
Surgical Planning Laboratory, Harvard Medical School